From the Wikipedia page [1] The principal open spaces in the London Borough of Waltham Forest include the following: * Parts of Epping Forest * Reservoirs along the River Lee * Coronation Gardens, near Leyton Orient FC ground, 1.65 hectares * Highams Park Lake (& adjoining park) * Hollow Ponds, Leytonstone * Langthorne Park, 1.89 hectares * Leyton Flats * Lloyd and Aveling Park, Walthamstow, 12.5: Lloyd Park opened 1900, contains the William Morris Gallery * Memorial Park, Chingford * Wanstead Flats, Leytonstone